Bioreactors Bioreactor Systems For Rapid Bioprocess Development www.helgroup.com BioXplorer 100 Compact screening with high information content Based on an 8 reactor block, with a maximum value of 100 ml or 200 ml, the BioXplorer 100 is a high throughput, Block for the 100 range reactors bioprocess screening system. Designed for working volumes from just ml in blocks of 8 individually controlled bioreactors. Blocks can be combined to give even larger number of parallel reactors. | Fully automated, high information content screening tool ideal for DOE studies, with all the typical sensors and controls | Most compact system for optimised use of bench space | Highly cost effective system for scalable, rapid, high throughput bioprocessing | Ideal for cell line/strain screening, media optimisation and small scale process development | Suitable for robotic integration Typical BioXplorer 100 configuration 8 reactor block can also fit on liquid handling robots for automated sampling and downstream processing Bioreactors compatible with the BioXplorer 100 System Bioreactor 100 ml 200 ml 200 ml Volumes Working 20 ml 20 ml 20 ml 8 parallel reactors totally independent in temperature, stirring and Volumes to 70 ml to 150 ml to 150 ml all other process conditions. Multiple blocks can be combined 1 << www.helgroup.com BioXplorer 400 Flexible, high data content optimisation Based on a 4 reactor block, the BioXplorer 400 provides the ideal platform for bioprocess Block for the 400 range reactors development and optimisation using 4 or 8 reactors in parallel with fermentation working volumes up to 400 ml. | Most versatile bioprocessing platform for development and optimisation | High information content and excellent scalability to large scale bioreactors | Reduce media costs and optimise the use of bench space Typical BioXplorer 400 configuration Four different size reactors interchangeable on the same reactor block. Multiple blocks can be combined Bioreactors compatible with the BioXplorer 400 System Bioreactor 100 ml 200 ml 500 ml 200 ml 500 ml Volumes Working 20 ml 20 ml 60 ml 20 ml 60 ml 8 parallel reactors (using 2 blocks) totally independent in Volumes to 70 ml to 150 ml to 400 ml to 150 ml to 400 ml temperature, stirring and all other process conditions www.helgroup.com >> 2 Elevated Pressure BioXplorer BioXplorer 100P - 400P Parallel high pressure mini bioreactors 200 ml to 1 L systems Bioreactors compatible with the BioXplorer 100P - 400P System Bioreactor 200 ml 500 ml 1000 ml Volumes 4 x 500 ml high functionality reactors rated to 10 bar, on a Working 20 ml 60 ml 60 ml linear (AutoMATE) platform. Simpler reactor configurations Volumes to 150 ml to 400 ml to 700 ml can be fitted on compact reactor blocks BioXplorer 5000P Designs for larger 1 to 20 L systems | Floor standing frame | Easy bioreactor manipulation | Built in Steam in Place (SIP) operation Easy to open top and Range of interchangeable 2 L Bioreactor rated to 10 bar with SIP, change internals reactors available up to 20 L with custom configurations 3 << www.helgroup.com Elevated Pressure BioXplorer Benefits Of Pressure Elevated gas pressure increases the solubility of gases and can produce commercial benefits in both bacterial and cell culture applications. The BioXplorer P range can operate up to 10 bar providing benefits which include: | Increased gas fermentation rate | Enhanced gas transfer rate (beyond high KLa limits) | Replication of pressure effects of large scale operations | Reduced dependence on sparging/agitation for gas availability Highly controlled pressure regulation and monitoring in each reactor is provided additional to normal controls such as DO, pH, OD, liquid dosing etc. A range of features dealing with operator safety are included as standard. Gas Transfer Rate of Oxygen into Autotrophic Growth and Production of Isopropanol Water at different Pressures Capriavidus Necator pEG7d at High Pressures 5 4.5 4 1.8 4 3.5 1.6 Pressure (bar) 3 1.4 3 2.5 1.2 1 2 2 0.8 1.5 0.6 OD600 , Isopropanol (g/L) OD600 , Isopropanol (g/L) Max. Oxygen Flux (g/l/min) 1 0.4 1 0.5 0.2 0 0 0 0 1.5 2 2.5 3 3.5 4 0 5 10 15 20 25 30 35 Pressure (bar) Time (h) 500 ml reactor stirred at 1500 rpm, as pressure is Growth was sustained during the whole cultivation. increased in steps from 1 bar to 4 bar Specific rate of isopropanol was maintained at a high level to the end. Experiments in 500 ml stirred bioreactors with control and monitoring of pH, DO and optical density. (REF: Guillouet, LISPB, France, 2018) Key Features P Range | Independently controlled single or multiple parallel bioreactors | Range of stainless steel pressure vessels available, rated up to 10 bar (145 psi) with working volumes starting from 20 ml | Automated pressure monitoring and control of each bioreactor | Highly instrumented bioreactors with pressure rated probes, feeds and filters | Option of complex automated gas feed strategies with feedback to off gas analysis systems allowing real time response to changes in head-space gas composition | Elevated pressure sampling system for convenient sampling throughout the process | System capable of temperatures from ambient to 225 oC allowing higher temperature applications, Steam in Place (SIP) option and downstream processing normally requiring a dedicated chemical process development system | Full suite of safety features www.helgroup.com >> 4 BioXplorer Accessories Compact screening with high information content Software Control Class leading powerful software with a range of add on modules. All BioXplorer parameters can be monitored/controlled including: | Temperature | Gas feeds, flow and mix | pH | Dissolved oxygen | Redox | Stirrer speed | Torque (for viscosity indication) | Pressure | Liquid feed rates | Antifoam and level detection Gas Feeds | Choose from simple or more sophisticated gas flow control regimes | Each bioreactor can be configured with single or multiple mass flow controllers | For microbial fermentations, automatic oxygen enrichment is possible if an air and oxygen (or enriched oxygen) source is supplied – the controller can be set to maintain a chosen dissolved oxygen (DO) value by altering the amount of supplied gas | For cell culture applications CO2 can be used for pH control | Ratios of several gases can be mixed and regulated with online feedback from off gas analytics Liquid Feeds | Choice of liquid feeds for standard and pressure applications | Highly linear peristaltic pump drives are integrated into standard heads which enable exceptional pH and dosing control as well as a wide operating range | Typically, two to four pumps per reactor are supplied but additional pumps can be added as needed | Syringe pumps and high pressure pumps are also available 5 << www.helgroup.com Magnetically Suspended Stirring | HEL’s proprietary design is recommended for reactors up to 500 ml | Ideally suited to small bioreactors with proven performance | No shaft seal or moving parts: no sterility issues | Excellent magnetic coupling | Range of stirrer designs (marine, rushton, etc) | Speed 300 rpm to 1500 rpm or 30 rpm to 200 rpm Overhead Stirring | Overhead stirring is offered on vessels from 300 ml upwards and is commonly used for larger bench-scale reactors | For pressure applications special magnetic drives are used pH, Dissolved Oxygen and Redox A complete range of bioprocess probes are available to cater for different conditions, reactor sizes and applications. All probes are integrated into software to allow automated monitoring and feedback loops. Off Gas Analysis Tandem off-gas analysis units as an on-line tool to monitor and control a process continuously. By monitoring the off-gas, the software can automatically calculate the oxygen uptake rate (OUR) of the cultivated cells and the carbon dioxide production rate (CPR) can be measured for micro-organisms. From this data, the respiration quotient (RQ) can be calculated automatically. Cell Density and Biomass Monitoring BioVIS allows the online monitoring of cell growth and biomass using optical density, which can reduce or replace the need for online sampling. This feature allows the user to track the growth and understand the processes without taking samples. Viable cell density probes can also be integrated. Robot Integration Robotic sampling and work-up as required. www.helgroup.com >> 6 Specifications BioXplorer 100 / P BioXplorer 400 / P BioXplorer 5000P Parallel Bioreactors 8 or more 4 or more 2 or more Vessels Glass Glass Glass Stainless Steel Stainless Steel Stainless Steel Working Volumes 20 ml to 150 ml 20 ml to 150 ml 20 ml to 15 L 60 ml to 700 ml Stirring Speed 250 rpm to 1500 rpm* 250 rpm to 1500 rpm* 50 rpm to 1500 rpm* Impellers Rushton Rushton Rushton Marine Marine Marine Pitched Pitched Pitched Stirring Drive Magnetic drive Magnetic drive Overhead drive Overhead drive Temp. Range -20 oC to 200 oC** -20 oC to 200 oC** -20 oC to 225 oC** Temp. Control Integrated, individual Integrated, individual Heated jacket electrical heating in the block, electrical heating in the block, Circulator software controlled software controlled Applications Mammalian Mammalian Mammalian Microbial Microbial Microbial Gas Fermentation Gas Fermentation Gas Fermentation pH Control Acid/base liquid feed; Acid/base liquid feed; Acid/base liquid feed Gas addition Gas addition Liquid Feeds Optional anti-foam; Optional anti-foam; Optional anti-foam; substrate feeds substrate feeds substrate feeds OD Measurement Optional Optional Optional Gas Mixing Air, H2, N2, O2, CO, CH4 and CO2 Air, H2, N2, O2, CO, CH4 and CO2 Air, H2, N2, O2, CO, CH4 and CO2 Max Pressure Up to 10 bar with stainless Up to 10 bar with stainless Atmospheric - 10 bar steel vessels steel vessels *Speeds depend on stirrer drive, media properties and aeration rate. **Sub-ambient cooling requires optional cooling module. About HEL HEL is an international company that specialises in chemical reactors, bioreactors and related data/ logging tools for process R&D in the pharmaceutical, fine chemical, biotechnology and petrochemical industries.